
/* 
* @author huanglinlong
* @date 2017年5月23日 下午3:36:06 
* Copyright  ©2017 网金社
*/

package com.junitUtil.util;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;

import org.mockito.Mockito;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.aop.framework.AdvisedSupport;
import org.springframework.aop.framework.AopProxy;
import org.springframework.aop.support.AopUtils;
import org.springframework.test.util.ReflectionTestUtils;


/**
 * TODO(描述这个类的作用)
 * 
 * @author huanglinlong
 * @date 2017年5月23日 下午3:36:06
 * 
 **/

public class AopTargetUtils {
	 
	
	
	public static Object getTarget(Object proxy) throws Exception {

		if (!AopUtils.isAopProxy(proxy)) {
			return proxy;//不是代理对象  
		}
		if (AopUtils.isJdkDynamicProxy(proxy)) {
			return getJdkDynamicProxyTargetObject(proxy);
		} else { //cglib  
			return getCglibProxyTargetObject(proxy);
		}
	}

	private static Object getCglibProxyTargetObject(Object proxy) throws Exception {

		Field h = proxy.getClass().getDeclaredField("CGLIB$CALLBACK_0");
		h.setAccessible(true);
		Object dynamicAdvisedInterceptor = h.get(proxy);
		Field advised = dynamicAdvisedInterceptor.getClass().getDeclaredField("advised");
		advised.setAccessible(true);
		Object target = ((AdvisedSupport) advised.get(dynamicAdvisedInterceptor)).getTargetSource().getTarget();
		return target;
	}

	private static Object getJdkDynamicProxyTargetObject(Object proxy) throws Exception {

		Field h = proxy.getClass().getSuperclass().getDeclaredField("h");
		h.setAccessible(true);
		AopProxy aopProxy = (AopProxy) h.get(proxy);
		Field advised = aopProxy.getClass().getDeclaredField("advised");
		advised.setAccessible(true);
		Object target = ((AdvisedSupport) advised.get(aopProxy)).getTargetSource().getTarget();
		return target;
	}

    
}
